555 lines
14 KiB
C++
555 lines
14 KiB
C++
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/*++
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Copyright (c) 1998-1999 Microsoft Corporation
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Module Name:
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ulperf.cpp
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Abstract:
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This is the main code for the ul.sys performance counter support object
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Author:
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Paul McDaniel (paulmcd) 11-May-1999
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Revision History:
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--*/
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#include "precomp.h"
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#include "ulperf.h"
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//
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// Globals
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//
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LONG g_lInit;
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HINSTANCE g_hInstance;
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//
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// Active "opens" reference count for Open/Close PerformanceData
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//
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ULONG OpenCount = 0;
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//
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// An open handle to the event log for error logging
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//
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HANDLE hEventLog;
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//
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// Initialize the constant portions of the HKEY_PERFORMANCE data structure.
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// Certain parts (especially the name/help indices) will be
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// updated at initialization time.
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//
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const UL_COUNTER_BLOCK CounterBlock;
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UL_PERF_OBJECT_DEFINITION ObjectDefinition =
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{
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{ // ObjectType
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sizeof(UL_PERF_OBJECT_DEFINITION) + sizeof(UL_COUNTER_BLOCK),
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sizeof(UL_PERF_OBJECT_DEFINITION),
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sizeof(PERF_OBJECT_TYPE),
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UL_COUNTER_OBJECT,
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NULL,
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UL_COUNTER_OBJECT,
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NULL,
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PERF_DETAIL_ADVANCED,
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NUMBER_OF_UL_COUNTERS,
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-1, // DefaultCounter
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PERF_NO_INSTANCES,
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0,
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{ 0, 0 },
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{ 0, 0 }
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},
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{ // BytesSent
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sizeof(PERF_COUNTER_DEFINITION),
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UL_BYTES_SENT_COUNTER,
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NULL, // assigned in OpenPerformanceData()
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UL_BYTES_SENT_COUNTER,
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NULL, // assigned in OpenPerformanceData()
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0,
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PERF_DETAIL_ADVANCED,
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PERF_COUNTER_COUNTER,
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0, // assigned in OpenPerformanceData()
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0 // assigned in OpenPerformanceData()
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},
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{ // BytesReceived
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sizeof(PERF_COUNTER_DEFINITION),
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UL_BYTES_RECEIVED_COUNTER,
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NULL,
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UL_BYTES_RECEIVED_COUNTER,
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NULL,
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0,
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PERF_DETAIL_ADVANCED,
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PERF_COUNTER_COUNTER,
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0,
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0
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},
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{ // CurrentConnections
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sizeof(PERF_COUNTER_DEFINITION),
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UL_CURRENT_CONNECTIONS_NUMBER,
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NULL,
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UL_CURRENT_CONNECTIONS_NUMBER,
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NULL,
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0,
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PERF_DETAIL_ADVANCED,
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PERF_COUNTER_RAWCOUNT,
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0,
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0
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},
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{ // CurrentRequests
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sizeof(PERF_COUNTER_DEFINITION),
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UL_CURRENT_REQUESTS_NUMBER,
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NULL,
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UL_CURRENT_REQUESTS_NUMBER,
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NULL,
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0,
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PERF_DETAIL_ADVANCED,
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PERF_COUNTER_RAWCOUNT,
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0,
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0
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},
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{ // QueuedRequests
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sizeof(PERF_COUNTER_DEFINITION),
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UL_QUEUED_REQUESTS_NUMBER,
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NULL,
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UL_QUEUED_REQUESTS_NUMBER,
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NULL,
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0,
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PERF_DETAIL_ADVANCED,
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PERF_COUNTER_RAWCOUNT,
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0,
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0
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},
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{ // AttachedProcesses
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sizeof(PERF_COUNTER_DEFINITION),
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UL_ATTACHED_PROCESSES_NUMBER,
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NULL,
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UL_ATTACHED_PROCESSES_NUMBER,
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NULL,
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0,
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PERF_DETAIL_ADVANCED,
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PERF_COUNTER_RAWCOUNT,
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0,
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0
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}
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};
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DWORD
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OpenPerformanceData(
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LPWSTR lpDeviceNames
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)
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{
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DWORD Error = NO_ERROR;
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HKEY hkey = NULL;
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DWORD size;
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DWORD type;
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DWORD dwFirstCounter;
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DWORD dwFirstHelp;
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DWORD i;
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PERF_COUNTER_DEFINITION * pctr;
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//
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// Since WINLOGON is multi-threaded and will call this routine in
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// order to service remote performance queries, this library
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// must keep track of how many times it has been opened (i.e.
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// how many threads have accessed it). The registry routines will
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// limit access to the initialization routine to only one thread
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// at a time so synchronization (i.e. reentrancy) should not be
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// a problem.
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//
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if (OpenCount == 0)
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{
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//
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// This is the *first* open.
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//
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// open event log interface
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if (hEventLog == NULL)
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{
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hEventLog = RegisterEventSource(
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(LPTSTR)NULL, // Use Local Machine
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APP_NAME // event log app name
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// to find in registry
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);
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}
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//
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// open the performance key
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//
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Error = RegOpenKeyEx(
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HKEY_LOCAL_MACHINE,
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REGISTRY_UL_INFORMATION L"\\Performance",
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0,
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KEY_ALL_ACCESS,
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&hkey
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);
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if( err == NO_ERROR )
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{
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//
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// Read the first counter DWORD.
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//
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size = sizeof(DWORD);
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err = RegQueryValueEx(
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hkey,
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L"First Counter",
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NULL,
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&type,
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(LPBYTE)&dwFirstCounter,
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&size
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);
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if( err == NO_ERROR )
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{
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//
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// Read the first help DWORD.
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//
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size = sizeof(DWORD);
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err = RegQueryValueEx( hkey,
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L"First Help",
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NULL,
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&type,
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(LPBYTE)&dwFirstHelp,
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&size );
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if ( err == NO_ERROR )
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{
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//
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// Update the object & counter name & help indicies.
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//
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ObjectDefinition.ObjectType.ObjectNameTitleIndex
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+= dwFirstCounter;
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ObjectDefinition.ObjectType.ObjectHelpTitleIndex
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+= dwFirstHelp;
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#define ADJUST_VALUES(CounterName) \
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do {\
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ObjectDefinition.##CounterName.CounterNameTitleIndex \
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+= dwFirstCounter; \
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ObjectDefinition.##CounterName.CounterHelpTitleIndex \
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+= dwFirstHelp; \
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ObjectDefinition.##CounterName.CounterSize \
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= sizeof(CounterBlock.##CounterName); \
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ObjectDefinition.##CounterName.CounterOffset = \
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DIFF((LPBYTE)&CounterBlock.##CounterName - (LPBYTE)&CounterBlock);\
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} while (0)
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ADJUST_VALUES(BytesSent);
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ADJUST_VALUES(BytesReceived);
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ADJUST_VALUES(CurrentConnections);
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ADJUST_VALUES(CurrentRequests);
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ADJUST_VALUES(QueuedRequests);
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ADJUST_VALUES(AttachedProcesses);
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//
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// Remember that we initialized OK.
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//
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fInitOK = TRUE;
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} else {
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ReportEvent (hEventLog, EVENTLOG_ERROR_TYPE,
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0, W3_UNABLE_READ_FIRST_HELP,
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(PSID)NULL, 0,
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sizeof(err), NULL,
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(PVOID)(&err));
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}
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} else {
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ReportEvent (hEventLog, EVENTLOG_ERROR_TYPE,
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0, W3_UNABLE_READ_FIRST_COUNTER,
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(PSID)NULL, 0,
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sizeof(err), NULL,
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(PVOID)(&err));
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}
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//
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// Close the registry if we managed to actually open it.
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//
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if( hkey != NULL )
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{
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RegCloseKey( hkey );
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hkey = NULL;
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}
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} else {
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ReportEvent (hEventLog, EVENTLOG_ERROR_TYPE,
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0, W3_UNABLE_OPEN_W3SVC_PERF_KEY,
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(PSID)NULL, 0,
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sizeof(err), NULL,
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(PVOID)(&err));
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}
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}
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//
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// Bump open counter.
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//
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OpenCount += 1;
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end:
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return Error;
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} // OpenPerformanceData
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DWORD
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CollectPerformanceData(
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LPWSTR lpwszValue,
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LPVOID *lppData,
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LPDWORD lpcbBytes,
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LPDWORD lpcObjectTypes
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)
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{
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}
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DWORD
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WINAPI
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ClosePerformanceData(
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)
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{
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//
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// Clean up
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//
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OpenCount -= 1;
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if (OpenCount == 0)
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{
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if (hEventLog != NULL)
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{
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DeregisterEventSource(hEventLog);
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hEventLog = NULL;
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}
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}
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return NO_ERROR;
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} // ClosePerformanceData
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CUlPerfCounters::CUlPerfCounters()
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{
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}
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CUlPerfCounters::~CUlPerfCounters()
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{
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}
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//
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// IWbemProviderInit
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//
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STDMETHODIMP CUlPerfCounters::Initialize(LPWSTR wszUser,LONG lFlags,LPWSTR wszNamespace,LPWSTR wszLocale,IWbemServices* pNamespace,IWbemContext* pCtx,IWbemProviderInitSink* pInitSink)
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{
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HRESULT Result;
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ASSERT(pInitSink != NULL);
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TRACE(L"ulperf!CUlPerfCounters::Initialize called\n");
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//
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// tell wbem we are ready to go.
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//
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Result = pInitSink->SetStatus(WBEM_S_INITIALIZED, 0);
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return Result;
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} // CUlPerfCounters::Initialize
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//
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// IWbemServices
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//
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// Context.
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// ========
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STDMETHODIMP CUlPerfCounters::OpenNamespace(BSTR strNamespace, long lFlags, IWbemContext* pCtx, IWbemServices** ppWorkingNamespace, IWbemCallResult** ppResult)
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{ return WBEM_E_METHOD_NOT_IMPLEMENTED; }
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STDMETHODIMP CUlPerfCounters::CancelAsyncCall(IWbemObjectSink* pSink)
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{ return WBEM_E_METHOD_NOT_IMPLEMENTED; }
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STDMETHODIMP CUlPerfCounters::QueryObjectSink(long lFlags,IWbemObjectSink** ppResponseHandler)
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{ return WBEM_E_METHOD_NOT_IMPLEMENTED; }
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// Classes and instances.
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// ======================
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STDMETHODIMP CUlPerfCounters::GetObject(BSTR strObjectPath,long lFlags,IWbemContext* pCtx,IWbemClassObject** ppObject,IWbemCallResult** ppCallResult)
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{ return WBEM_E_METHOD_NOT_IMPLEMENTED; }
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STDMETHODIMP CUlPerfCounters::GetObjectAsync(BSTR strObjectPath,long lFlags,IWbemContext* pCtx,IWbemObjectSink* pResponseHandler)
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{
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IWbemClassObject pObj;
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HRESULT Result;
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CObjectPathParser PathParser;
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ParsedObjectPath *pParsedPath = NULL;
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Result = WBEM_S_NO_ERROR;
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//
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// crack the object path
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//
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Result = PathParser.Parse(strObjectPath, &pParsedPath);
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if (Result != CObjectPathParser::NoError)
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return E_FAIL;
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//
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// create a perfctr object
|
||
|
|
//
|
||
|
|
|
||
|
|
pObject = new CComObject<CUlPerfCounterObject>;
|
||
|
|
if (pObject == NULL)
|
||
|
|
{
|
||
|
|
Result = E_OUTOFMEMORY
|
||
|
|
goto end;
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// init it
|
||
|
|
//
|
||
|
|
|
||
|
|
Result = pObject->Init(pParsedPath);
|
||
|
|
if (FAILED(Result))
|
||
|
|
goto end;
|
||
|
|
|
||
|
|
//
|
||
|
|
// and hand it off to wbem
|
||
|
|
//
|
||
|
|
|
||
|
|
Result = pGroup->_InternalQueryInterface(IID_IWbemClassObject, (PVOID*)&pWbemObj);
|
||
|
|
if (FAILED(Result))
|
||
|
|
goto end;
|
||
|
|
|
||
|
|
Result = pHandler->Indicate(1, &pWbemObj);
|
||
|
|
if (FAILED(Result))
|
||
|
|
goto end;
|
||
|
|
|
||
|
|
end:
|
||
|
|
if (pParsedPath != NULL)
|
||
|
|
{
|
||
|
|
PathParser.Free(pParsedPath);
|
||
|
|
pParsedPath = NULL;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (pWbemObj != NULL)
|
||
|
|
{
|
||
|
|
pWbemObj->Release();
|
||
|
|
pWbemObj = NULL;
|
||
|
|
}
|
||
|
|
|
||
|
|
pHandler->SetStatus(0, Result, NULL, NULL);
|
||
|
|
return Result;
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
// Class manipulation.
|
||
|
|
// ===================
|
||
|
|
|
||
|
|
STDMETHODIMP CUlPerfCounters::PutClass(IWbemClassObject* pObject,long lFlags,IWbemContext* pCtx,IWbemCallResult** ppCallResult)
|
||
|
|
{ return WBEM_E_METHOD_NOT_IMPLEMENTED; }
|
||
|
|
|
||
|
|
STDMETHODIMP CUlPerfCounters::PutClassAsync(IWbemClassObject* pObject,long lFlags,IWbemContext* pCtx,IWbemObjectSink* pResponseHandler)
|
||
|
|
{ return WBEM_E_METHOD_NOT_IMPLEMENTED; }
|
||
|
|
|
||
|
|
|
||
|
|
STDMETHODIMP CUlPerfCounters::DeleteClass(BSTR strClass,long lFlags,IWbemContext* pCtx,IWbemCallResult** ppCallResult)
|
||
|
|
{ return WBEM_E_METHOD_NOT_IMPLEMENTED; }
|
||
|
|
|
||
|
|
STDMETHODIMP CUlPerfCounters::DeleteClassAsync(BSTR strClass,long lFlags,IWbemContext* pCtx,IWbemObjectSink* pResponseHandler)
|
||
|
|
{ return WBEM_E_METHOD_NOT_IMPLEMENTED; }
|
||
|
|
|
||
|
|
|
||
|
|
STDMETHODIMP CUlPerfCounters::CreateClassEnum(BSTR strSuperclass,long lFlags,IWbemContext* pCtx,IEnumWbemClassObject** ppEnum)
|
||
|
|
{ return WBEM_E_METHOD_NOT_IMPLEMENTED; }
|
||
|
|
|
||
|
|
STDMETHODIMP CUlPerfCounters::CreateClassEnumAsync(BSTR strSuperclass,long lFlags,IWbemContext* pCtx,IWbemObjectSink* pResponseHandler)
|
||
|
|
{ return WBEM_E_METHOD_NOT_IMPLEMENTED; }
|
||
|
|
|
||
|
|
|
||
|
|
// Instances.
|
||
|
|
// ==========
|
||
|
|
|
||
|
|
STDMETHODIMP CUlPerfCounters::PutInstance(IWbemClassObject* pInst,long lFlags,IWbemContext* pCtx,IWbemCallResult** ppCallResult)
|
||
|
|
{ return WBEM_E_METHOD_NOT_IMPLEMENTED; }
|
||
|
|
|
||
|
|
STDMETHODIMP CUlPerfCounters::PutInstanceAsync(IWbemClassObject* pInst,long lFlags,IWbemContext* pCtx,IWbemObjectSink* pResponseHandler)
|
||
|
|
{ return WBEM_E_METHOD_NOT_IMPLEMENTED; }
|
||
|
|
|
||
|
|
|
||
|
|
STDMETHODIMP CUlPerfCounters::DeleteInstance(BSTR strObjectPath,long lFlags,IWbemContext* pCtx,IWbemCallResult** ppCallResult)
|
||
|
|
{ return WBEM_E_METHOD_NOT_IMPLEMENTED; }
|
||
|
|
|
||
|
|
STDMETHODIMP CUlPerfCounters::DeleteInstanceAsync(BSTR strObjectPath,long lFlags,IWbemContext* pCtx,IWbemObjectSink* pResponseHandler)
|
||
|
|
{ return WBEM_E_METHOD_NOT_IMPLEMENTED; }
|
||
|
|
|
||
|
|
|
||
|
|
STDMETHODIMP CUlPerfCounters::CreateInstanceEnum(BSTR strClass,long lFlags,IWbemContext* pCtx,IEnumWbemClassObject** ppEnum)
|
||
|
|
{ return WBEM_E_METHOD_NOT_IMPLEMENTED; }
|
||
|
|
|
||
|
|
STDMETHODIMP CUlPerfCounters::CreateInstanceEnumAsync(BSTR strClass,long lFlags,IWbemContext* pCtx,IWbemObjectSink* pResponseHandler)
|
||
|
|
{ return WBEM_E_METHOD_NOT_IMPLEMENTED; }
|
||
|
|
|
||
|
|
|
||
|
|
// Queries.
|
||
|
|
// ========
|
||
|
|
|
||
|
|
STDMETHODIMP CUlPerfCounters::ExecQuery(BSTR strQueryLanguage,BSTR strQuery,long lFlags,IWbemContext* pCtx,IEnumWbemClassObject** ppEnum)
|
||
|
|
{ return WBEM_E_METHOD_NOT_IMPLEMENTED; }
|
||
|
|
|
||
|
|
STDMETHODIMP CUlPerfCounters::ExecQueryAsync(BSTR strQueryLanguage,BSTR strQuery,long lFlags,IWbemContext* pCtx,IWbemObjectSink* pResponseHandler)
|
||
|
|
{ return WBEM_E_METHOD_NOT_IMPLEMENTED; }
|
||
|
|
|
||
|
|
|
||
|
|
STDMETHODIMP CUlPerfCounters::ExecNotificationQuery(BSTR strQueryLanguage,BSTR strQuery,long lFlags,IWbemContext* pCtx,IEnumWbemClassObject** ppEnum)
|
||
|
|
{ return WBEM_E_METHOD_NOT_IMPLEMENTED; }
|
||
|
|
|
||
|
|
STDMETHODIMP CUlPerfCounters::ExecNotificationQueryAsync(BSTR strQueryLanguage,BSTR strQuery,long lFlags,IWbemContext* pCtx,IWbemObjectSink* pResponseHandler)
|
||
|
|
{ return WBEM_E_METHOD_NOT_IMPLEMENTED; }
|
||
|
|
|
||
|
|
|
||
|
|
// Methods
|
||
|
|
// =======
|
||
|
|
|
||
|
|
STDMETHODIMP CUlPerfCounters::ExecMethod(BSTR strObjectPath,BSTR strMethodName,long lFlags,IWbemContext* pCtx,IWbemClassObject* pInParams,IWbemClassObject** ppOutParams,IWbemCallResult** ppCallResult)
|
||
|
|
{ return WBEM_E_METHOD_NOT_IMPLEMENTED; }
|
||
|
|
|
||
|
|
STDMETHODIMP CUlPerfCounters::ExecMethodAsync(BSTR strObjectPath,BSTR strMethodName,long lFlags,IWbemContext* pCtx,IWbemClassObject* pInParams,IWbemObjectSink* pResponseHandler)
|
||
|
|
{ return WBEM_E_METHOD_NOT_IMPLEMENTED; }
|
||
|
|
|
||
|
|
|